In October 2025, the Resilient State Route 37 Program partnership launched an online survey for travelers who use Highway 37. The highway is a 21-mile route connecting Solano, Napa, Sonoma, and Marin counties in the Bay Area. The partnership includes the Metropolitan Transportation Commission (MTC), Caltrans, local transportation agencies, SMART, tribal governments, and state and federal resource agencies.
The survey seeks information about travel patterns, awareness of planned improvements, and knowledge of toll systems such as FasTrak. Highway 37 often experiences congestion and seasonal flooding.
The Resilient 37 Program has proposed short-term and long-term solutions. One short-term project will expand the highway from one to two lanes in each direction between Sears Point and Mare Island. One lane in each direction will be a tolled express lane…